/**
 * 摘自: http://wowtianwen.iteye.com/blog/2100913
 * http://vgot.net/?A65.htm
 */
(function(){
	var ie = !!(window.attachEvent && !window.opera);
	var webkit = /webkit\/(\d+)/i.test(navigator.userAgent) && (RegExp.$1 < 525);
	var fn = [];
	var run = function(){
		for(var i=0;i<fn.length;i++){
			fn[i]();
		}
	};
	var d = document;
	d.ready = function(f){
		if(!ie && !webkit && d.addEventListener){
			return d.addEventListener('DOMContentLoaded', f, false);
		}
		if(fn.push(f) > 1) return;
		if(ie){
			(function(){
				try{
					d.documentElement.doScroll('left');
					run();
				}catch(err){
					setTimeout(arguments.callee, 0);
				}
			})();
		}else if(webkit){
			var t = setInterval(function(){
				if(/^(loaded|complete)$/.test(d.readyState)){
					clearInterval(t), run();
				}
			}, 0);
		}
	};
})();